Davidson Defense Premium Left Handed M16 AR-15 Black Nitride Finish Bolt Carrier Group BCG
We are proud to announce the release of our Left Handed Black Nitride AR/M16 .223/5.56 Bolt Carrier Groups.
- 8620 Tool steel Enhanced Radius design (Angle Cut) Bolt Carrier with inside and out H&M Black Nitride Treatment
- Certified 9310 Steel MPI Bolt Head with inside and out H&M Black Nitride Treatment
- Extractor has Black Insert and O-Ring upgrade
- Billet Machined 4140 Steel Gas Key (designed to handle the heat)
- USA Made Grade 8 Fasteners
- Military Specification Gas Key Staking
The Carrier is Nitride Super Smooth Finish /Bolt Head is 9310 Nitride Melonite Coated
These are the same that are going into the guns our troops are using, with one enhancement, the nitride finish. Which is a longer lasting bolt group even when the finish wears the nitride keeps working to stop corrosion increase lubricity.
So, what is Nitride Finish?
Metal components treated with Nitride finishes have increased wear-resistance, fatigue strength, corrosion resistance and cosmetic appeal. Nitride replaces the processes of hard chrome or nickel plating. Black nitride gives better corrosion protection.
Brand: Davidson Defense
Caliber: 5.56 / .223 / 300 Blk / .350 Legend
Bolt Head Finish: Nitride
Bolt Head Material: 9310 Alloy Steel
Carrier Finish: Nitride
Carrier Material: 8620 Alloy Steel
Magnetic Particle Inspect (MPI): Yes
Forward Assist Notches: Yes
Full Auto Compatible: Yes
Please note: If the listing says "In-Stock" it means we have all of the items in stock. Please check this LINK to view our most up to date shipping status.
Warranty, Returns & Terms:
MMC Armory offers a 30 day return, refund and exchange policy. You must email or call MMC Armory and obtain an RMA number prior to any return, refund, or exchange. All returns must include the original order number, receipt or invoice, along with the billing address, shipping address, contact phone numbers, contact emails, and RMA number. Returns, refunds, and exchanges may take up to two weeks, not including transit times, for processing after we receive it. Return shipping costs will be the responsibility of the returning party, with the exception of the wrong item being received or on warranty exchange during the first 30 days after delivery. Items returned for warranty will only be replaced or exchanged, not refunded.